Intel Core 5 220U 's Advantages
Larger memory bandwidth (83.2GB/s vs 76.8GB/s)
Higher base frequency (1.5GHz vs 1.1GHz)
Larger L3 cache size (12MB vs 8MB)
Intel Celeron 7305 's Advantages
Released 121 years late
Integrated graphics card
Higher specification of memory (5200 vs 5200)
Newer PCIe version (4.0 vs 4)